Home / 213,711.36-320,473.53-101,423.76

Finding the Fourth Proportional to 213,711.36, 320,473.53 and 101,423.76

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Solution

The fourth proportional to 213,711.36, 320,473.53 and 101,423.76 is: 152,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,711.36 : 320,473.53 = 101,423.76 : x
  2. Step 2: Convert to fraction form
    213,711.36/320,473.53 = 101,423.76/x
  3. Step 3: Cross multiply
    213,711.36x = 320,473.53 × 101,423.76
  4. Step 4: Simplify right side
    213,711.36x = 32,503,630,393.07
  5. Step 5: Solve for x
    x = 32,503,630,393.07/213,711.36
  6. Step 6: Final answer
    x = 152,091.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.